[wip] do a little validation of commit event blocks

This commit is contained in:
Charlotte Som 2024-12-02 09:17:18 +00:00
parent 34f09c8a3d
commit e9bc95f98b
7 changed files with 484 additions and 16 deletions

299
Cargo.lock generated
View file

@ -189,12 +189,24 @@ version = "0.2.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
[[package]]
name = "base16ct"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
[[package]]
name = "base64"
version = "0.21.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
[[package]]
name = "base64ct"
version = "1.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
[[package]]
name = "bindgen"
version = "0.69.5"
@ -288,17 +300,23 @@ dependencies = [
"atrium-api",
"bytes",
"clap",
"ecdsa",
"fastwebsockets",
"http-body-util",
"hyper",
"hyper-util",
"ipld-core",
"iroh-car",
"k256",
"multibase",
"p256",
"pin-project-lite",
"qstring",
"rustls",
"serde",
"serde_ipld_dagcbor",
"serde_json",
"sha2",
"sled",
"tokio",
"tokio-rustls",
@ -349,7 +367,7 @@ dependencies = [
"multihash",
"serde",
"serde_bytes",
"unsigned-varint",
"unsigned-varint 0.8.0",
]
[[package]]
@ -418,6 +436,12 @@ version = "1.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
[[package]]
name = "const-oid"
version = "0.9.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
[[package]]
name = "core-foundation-sys"
version = "0.8.7"
@ -466,6 +490,18 @@ version = "0.8.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80"
[[package]]
name = "crypto-bigint"
version = "0.5.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
dependencies = [
"generic-array",
"rand_core",
"subtle",
"zeroize",
]
[[package]]
name = "crypto-common"
version = "0.1.6"
@ -502,6 +538,17 @@ dependencies = [
"syn 1.0.109",
]
[[package]]
name = "der"
version = "0.7.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f55bf8e7b65898637379c1b74eb1551107c8294ed26d855ceb9fd1a09cfc9bc0"
dependencies = [
"const-oid",
"pem-rfc7468",
"zeroize",
]
[[package]]
name = "digest"
version = "0.10.7"
@ -509,7 +556,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
dependencies = [
"block-buffer",
"const-oid",
"crypto-common",
"subtle",
]
[[package]]
@ -518,12 +567,46 @@ version = "1.0.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "92773504d58c093f6de2459af4af33faa518c13451eb8f2b5698ed3d36e7c813"
[[package]]
name = "ecdsa"
version = "0.16.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
dependencies = [
"der",
"digest",
"elliptic-curve",
"rfc6979",
"signature",
"spki",
]
[[package]]
name = "either"
version = "1.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
[[package]]
name = "elliptic-curve"
version = "0.13.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b5e6043086bf7973472e0c7dff2142ea0b680d30e18d9cc40f267efbf222bd47"
dependencies = [
"base16ct",
"crypto-bigint",
"digest",
"ff",
"generic-array",
"group",
"pem-rfc7468",
"pkcs8",
"rand_core",
"sec1",
"subtle",
"zeroize",
]
[[package]]
name = "equivalent"
version = "1.0.1"
@ -560,6 +643,16 @@ dependencies = [
"utf-8",
]
[[package]]
name = "ff"
version = "0.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
dependencies = [
"rand_core",
"subtle",
]
[[package]]
name = "fnv"
version = "1.0.7"
@ -591,6 +684,21 @@ version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
[[package]]
name = "futures"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
dependencies = [
"futures-channel",
"futures-core",
"futures-executor",
"futures-io",
"futures-sink",
"futures-task",
"futures-util",
]
[[package]]
name = "futures-channel"
version = "0.3.31"
@ -598,6 +706,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
dependencies = [
"futures-core",
"futures-sink",
]
[[package]]
@ -606,6 +715,34 @@ version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
[[package]]
name = "futures-executor"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
dependencies = [
"futures-core",
"futures-task",
"futures-util",
]
[[package]]
name = "futures-io"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
[[package]]
name = "futures-macro"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.89",
]
[[package]]
name = "futures-sink"
version = "0.3.31"
@ -624,10 +761,16 @@ version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
dependencies = [
"futures-channel",
"futures-core",
"futures-io",
"futures-macro",
"futures-sink",
"futures-task",
"memchr",
"pin-project-lite",
"pin-utils",
"slab",
]
[[package]]
@ -647,6 +790,7 @@ checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
dependencies = [
"typenum",
"version_check",
"zeroize",
]
[[package]]
@ -672,6 +816,17 @@ version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
[[package]]
name = "group"
version = "0.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
dependencies = [
"ff",
"rand_core",
"subtle",
]
[[package]]
name = "h2"
version = "0.4.7"
@ -709,6 +864,15 @@ version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
[[package]]
name = "hmac"
version = "0.12.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
dependencies = [
"digest",
]
[[package]]
name = "home"
version = "0.5.9"
@ -856,6 +1020,22 @@ dependencies = [
"serde_bytes",
]
[[package]]
name = "iroh-car"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cb7f8cd4cb9aa083fba8b52e921764252d0b4dcb1cd6d120b809dbfe1106e81a"
dependencies = [
"anyhow",
"cid",
"futures",
"serde",
"serde_ipld_dagcbor",
"thiserror",
"tokio",
"unsigned-varint 0.7.2",
]
[[package]]
name = "is_terminal_polyfill"
version = "1.70.1"
@ -895,6 +1075,20 @@ dependencies = [
"wasm-bindgen",
]
[[package]]
name = "k256"
version = "0.13.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6e3919bbaa2945715f0bb6d3934a173d1e9a59ac23767fbaaef277265a7411b"
dependencies = [
"cfg-if",
"ecdsa",
"elliptic-curve",
"once_cell",
"sha2",
"signature",
]
[[package]]
name = "langtag"
version = "0.3.4"
@ -1015,7 +1209,7 @@ checksum = "cc41f430805af9d1cf4adae4ed2149c759b877b01d909a1f40256188d09345d2"
dependencies = [
"core2",
"serde",
"unsigned-varint",
"unsigned-varint 0.8.0",
]
[[package]]
@ -1068,6 +1262,18 @@ version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
[[package]]
name = "p256"
version = "0.13.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c9863ad85fa8f4460f9c48cb909d38a0d689dba1f6f6988a5e3e0d31071bcd4b"
dependencies = [
"ecdsa",
"elliptic-curve",
"primeorder",
"sha2",
]
[[package]]
name = "parking_lot"
version = "0.11.2"
@ -1122,6 +1328,15 @@ version = "1.0.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
[[package]]
name = "pem-rfc7468"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
dependencies = [
"base64ct",
]
[[package]]
name = "percent-encoding"
version = "2.3.1"
@ -1160,6 +1375,16 @@ version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
[[package]]
name = "pkcs8"
version = "0.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
dependencies = [
"der",
"spki",
]
[[package]]
name = "ppv-lite86"
version = "0.2.20"
@ -1179,6 +1404,15 @@ dependencies = [
"syn 2.0.89",
]
[[package]]
name = "primeorder"
version = "0.13.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "353e1ca18966c16d9deb1c69278edbc5f194139612772bd9537af60ac231e1e6"
dependencies = [
"elliptic-curve",
]
[[package]]
name = "proc-macro2"
version = "1.0.92"
@ -1298,6 +1532,16 @@ version = "0.8.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
[[package]]
name = "rfc6979"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f8dd2a808d456c4a54e300a23e9f5a67e122c3024119acbfd73e3bf664491cb2"
dependencies = [
"hmac",
"subtle",
]
[[package]]
name = "ring"
version = "0.17.8"
@ -1383,6 +1627,20 @@ version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
[[package]]
name = "sec1"
version = "0.7.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
dependencies = [
"base16ct",
"der",
"generic-array",
"pkcs8",
"subtle",
"zeroize",
]
[[package]]
name = "serde"
version = "1.0.215"
@ -1460,6 +1718,17 @@ dependencies = [
"digest",
]
[[package]]
name = "sha2"
version = "0.10.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
dependencies = [
"cfg-if",
"cpufeatures",
"digest",
]
[[package]]
name = "sharded-slab"
version = "0.1.7"
@ -1484,6 +1753,16 @@ dependencies = [
"libc",
]
[[package]]
name = "signature"
version = "2.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
dependencies = [
"digest",
"rand_core",
]
[[package]]
name = "simdutf8"
version = "0.1.5"
@ -1538,6 +1817,16 @@ version = "0.9.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
[[package]]
name = "spki"
version = "0.7.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
dependencies = [
"base64ct",
"der",
]
[[package]]
name = "strsim"
version = "0.11.1"
@ -1751,6 +2040,12 @@ version = "1.0.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
[[package]]
name = "unsigned-varint"
version = "0.7.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6889a77d49f1f013504cec6bf97a2c730394adedaeb1deb5ea08949a50541105"
[[package]]
name = "unsigned-varint"
version = "0.8.0"

View file

@ -8,17 +8,23 @@ anyhow = "1.0.93"
atrium-api = { version = "0.24.8", default-features = false, features = ["tokio"] }
bytes = { version = "1.8.0", features = ["serde"] }
clap = { version = "4.5.21", features = ["derive"] }
ecdsa = { version = "0.16.9", features = ["verifying"] }
fastwebsockets = { version = "0.8.0", features = ["hyper", "unstable-split", "upgrade"] }
http-body-util = "0.1.2"
hyper = { version = "1.5.1", features = ["client", "http1", "http2", "server"] }
hyper-util = { version = "0.1.10", features = ["tokio", "server", "client", "http1", "http2"] }
ipld-core = "0.4.1"
iroh-car = "0.5.1"
k256 = "0.13.4"
multibase = "0.9.1"
p256 = "0.13.2"
pin-project-lite = "0.2.15"
qstring = "0.7.2"
rustls = "0.23.18"
serde = { version = "1.0.215", features = ["derive"] }
serde_ipld_dagcbor = "0.6.1"
serde_json = "1.0.133"
sha2 = "0.10.8"
sled = { version = "0.34.7", features = ["compression"] }
tokio = { version = "1.41.1", features = ["full"] }
tokio-rustls = "0.26.0"

View file

@ -3,6 +3,7 @@ pub use app_state::*;
pub mod http;
pub mod relay;
pub mod repo;
pub mod sequencer;
pub mod tls;
pub mod user;

View file

@ -25,6 +25,9 @@ struct Args {
/// did:plc directory HTTPS host. defaults to plc.directory if unset
#[arg(long)]
plc_resolver: Option<String>,
#[arg(long)]
drop_user_cache: bool,
}
#[tokio::main]
@ -43,6 +46,10 @@ async fn main() -> Result<()> {
.open()
.expect("Failed to open database");
if args.drop_user_cache {
let _ = db.drop_tree("users");
}
let (event_tx, event_rx) = mpsc::channel(128);
let mut server = RelayServer::new(db, event_tx);

View file

@ -14,6 +14,7 @@ use tokio_rustls::rustls::pki_types::ServerName;
use crate::{
http::{body_empty, HttpBody},
repo::validate_commit,
tls::open_tls_stream,
user::{fetch_user, lookup_user},
wire_proto::{StreamEvent, StreamEventHeader, StreamEventPayload},
@ -116,6 +117,11 @@ impl DataServerSubscription {
return Ok(None);
}
if let Err(e) = validate_commit(&user, &event.data).await {
tracing::warn!(did = %user.did, seq = %event.seq, err = ?e, "dropping commit that did not pass validation");
return Ok(None);
};
Ok(Some(StreamEventPayload::Commit(event)))
}

119
src/repo/mod.rs Normal file
View file

@ -0,0 +1,119 @@
use std::collections::BTreeMap;
use anyhow::{bail, Context, Result};
use atrium_api::com::atproto::sync::subscribe_repos::CommitData;
use bytes::Bytes;
use ecdsa::signature::Verifier;
use ipld_core::cid::Cid;
use iroh_car::CarReader;
use serde::{Deserialize, Serialize};
use sha2::{Digest, Sha256};
use crate::user::User;
#[derive(Debug, Serialize, Deserialize)]
pub struct UnsignedCommitNode {
pub did: String,
pub version: u8,
pub prev: Option<Cid>,
pub rev: String,
pub data: Cid,
}
#[derive(Debug, Serialize, Deserialize)]
pub struct SignedCommitNode {
#[serde(flatten)]
pub node: UnsignedCommitNode,
pub sig: Bytes,
}
pub async fn validate_commit(user: &User, commit: &CommitData) -> Result<()> {
let mut car_reader = CarReader::new(commit.blocks.as_slice()).await?;
let car_header = car_reader.header().clone();
let mut blocks = BTreeMap::new();
while let Some((cid, cbor)) = car_reader.next_block().await? {
let (hash_type, hash_digest, hash_len) = cid.hash().into_inner();
if hash_type != 0x12 || hash_len != 32 {
bail!(
"unexpected cid type {:?} (expected sha-256 [id 18] with 32 bytes)",
cid
)
}
let cid_display = cid.to_string_of_base(multibase::Base::Base32Lower)?;
let record_hash = Sha256::digest(&cbor);
if &hash_digest[..32] != record_hash.as_slice() {
bail!("cid doesn't match cbor hash: {}", &cid_display)
}
blocks.insert(cid, cbor);
}
/*
let block_cids = blocks
.keys()
.filter_map(|cid| cid.to_string_of_base(multibase::Base::Base32Lower).ok())
.collect::<Vec<_>>();
dbg!(block_cids);
let root_cids = car_header
.roots()
.iter()
.filter_map(|cid| cid.to_string_of_base(multibase::Base::Base32Lower).ok())
.collect::<Vec<_>>();
dbg!(root_cids);
*/
let signing_key = user
.signing_key()
.context("couldn't find signing key for user")?;
let (_, signing_key) = multibase::decode(signing_key).unwrap();
for root in car_header.roots() {
let cid_display = root.to_string_of_base(multibase::Base::Base32Lower)?;
let Some(block) = blocks.get(root) else {
bail!("block did not exist: {}", &cid_display)
};
let commit: SignedCommitNode = serde_ipld_dagcbor::from_slice(block)
.context("couldn't deserialize signed commit object")?;
if commit.node.did != user.did {
bail!("did in car doesn't match repo did {}", &cid_display)
}
let unsigned_data = serde_ipld_dagcbor::to_vec(&commit.node)?;
if commit.sig.len() != 64 {
bail!(
"unexpected signature length {} (expected 64)",
commit.sig.len()
);
}
let r: [u8; 32] = commit.sig[..32].try_into().unwrap();
let s: [u8; 32] = commit.sig[32..].try_into().unwrap();
match signing_key[..2] {
[0xe7, 0x01] => {
let key = k256::ecdsa::VerifyingKey::from_sec1_bytes(&signing_key[2..]).unwrap();
let sig = k256::ecdsa::Signature::from_scalars(r, s).unwrap();
key.verify(&unsigned_data, &sig)
.context("failed to verify k256")
}
[0x80, 0x24] => {
let key = p256::ecdsa::VerifyingKey::from_sec1_bytes(&signing_key[2..]).unwrap();
let sig = p256::ecdsa::Signature::from_scalars(r, s).unwrap();
key.verify(&unsigned_data, &sig)
.context("failed to verify p256")
}
_ => Err(anyhow::anyhow!(
"unknown signing key format {:?}",
&signing_key[..2]
)),
}?;
// TODO: dfs for cid from commit.node.data, error if cid is not in any signed root
}
Ok(())
}

View file

@ -1,4 +1,4 @@
use anyhow::{bail, Context, Result};
use anyhow::{anyhow, bail, Context, Result};
use atrium_api::did_doc::DidDocument;
use bytes::Buf;
use http_body_util::BodyExt;
@ -20,6 +20,32 @@ pub struct User {
pub pds: Option<String>,
#[serde(default)]
pub handle: Option<String>,
#[serde(default)]
pub did_document: Option<DidDocument>,
}
impl User {
pub fn signing_key(&self) -> Result<&str> {
let did_doc = self
.did_document
.as_ref()
.context("no did document stored for user")?;
let verification_methods = did_doc
.verification_method
.as_ref()
.context("no verification method in did document")?;
let target_id = format!("{}#atproto", &self.did);
let method = verification_methods
.iter()
.find(|m| m.id == target_id)
.context("couldn't find signing key")?;
let key = method
.public_key_multibase
.as_ref()
.context("publicKeyMultibase missing")?;
Ok(key)
}
}
fn create_user_from_did_doc(did_doc: DidDocument) -> Result<User> {
@ -33,19 +59,24 @@ fn create_user_from_did_doc(did_doc: DidDocument) -> Result<User> {
let handle = did_doc
.also_known_as
.and_then(|v| v.into_iter().next())
.as_ref()
.and_then(|v| v.iter().next())
.and_then(|s| s.strip_prefix("at://").map(str::to_string));
let did = did_doc.id;
let did = did_doc.id.clone();
// TODO: check if handle resolves to did and fill none otherwise
let user = User { pds, did, handle };
let user = User {
pds,
did,
handle,
did_document: Some(did_doc),
};
Ok(user)
}
pub async fn fetch_user(server: &RelayServer, did: &str) -> Result<User> {
tracing::debug!(%did, "fetching user");
pub async fn fetch_did_doc(server: &RelayServer, did: &str) -> Result<DidDocument> {
if did.starts_with("did:plc:") {
let domain: &str = &server.plc_resolver;
@ -79,10 +110,7 @@ pub async fn fetch_user(server: &RelayServer, did: &str) -> Result<User> {
let did_doc = serde_json::from_reader::<_, DidDocument>(body.reader())
.context("Failed to parse plc DID doc as JSON")?;
let user = create_user_from_did_doc(did_doc)?;
store_user(server, &user)?;
Ok(user)
Ok(did_doc)
} else if let Some(domain) = did.strip_prefix("did:web:") {
let tcp_stream = TcpStream::connect((domain, 443)).await?;
let domain_tls: ServerName<'_> = ServerName::try_from(domain.to_string())?;
@ -114,15 +142,21 @@ pub async fn fetch_user(server: &RelayServer, did: &str) -> Result<User> {
let did_doc = serde_json::from_reader::<_, DidDocument>(body.reader())
.context("Failed to parse did:web document as JSON")?;
let user = create_user_from_did_doc(did_doc)?;
store_user(server, &user)?;
Ok(user)
Ok(did_doc)
} else {
bail!("unknown did type {did}");
}
}
pub async fn fetch_user(server: &RelayServer, did: &str) -> Result<User> {
tracing::debug!(%did, "fetching user");
let did_doc = fetch_did_doc(server, did).await?;
let user = create_user_from_did_doc(did_doc)?;
store_user(server, &user)?;
Ok(user)
}
pub async fn lookup_user(server: &RelayServer, did: &str) -> Result<User> {
if let Some(cached_user) = server.db_users.get(did)? {
let cached_user = serde_ipld_dagcbor::from_slice::<User>(&cached_user)?;